Membership of the Digital Advisory Board

Current members

Michael Rillstone (Chair)

Michael Rillstone is the Managing Director at RillstoneWells, a boutique consultancy whose primary focus is on providing strategic advice particularly around the intersection of Health and Social Services with Information Technology and Shared Services.

Michael has over 20 years' experience in leadership roles within the public and private sectors focused on organisational transformation and large-scale change programs. More recently he was CEO of HealthShare NSW, a large-scale health shared services entity that was successful in delivering a number of the largest and more complex ICT programs within Australia including the New South Wales statewide electronic medical record, health payroll and human resource systems. Prior to this, Michael was the Chief Information Officer of NSW Health.

Michael has been appointed as an ICT Healthcare Beachhead Advisor to New Zealand Trade and Enterprise (NZTE) acting as an advisor and mentor to NZ Health ICT companies seeking international growth. He has also been retained by the NSW Government (NSW Planning) to act as an independent ICT advisor for their major digital planning reform program.

Dr Murray Milner

Dr Milner has spent most of his 37 years in the information computer technology industry with Telecom New Zealand, rising to become Chief Technology Officer. In this role, Murray oversaw the transformation of New Zealand's telecommunications environment into a high-performance internet provider core network offering leading edge services throughout the country. He was the Chair of the National Health IT Board from 2010-2016.

Murray now runs a busy consulting practice and works extensively with both central and local government on ICT strategy and infrastructure development. He is also a Director of Christchurch City Networks Limited, which is deploying dark fibre infrastructure for the city of Christchurch.

Murray travels extensively as part of his work and brings an international perspective, including technology and economic benchmarks to his consulting practice to complement his extensive experience in New Zealand. He also has direct links with university research into the performance optimisation of broadband and IP networks and is guiding the development of leading edge tools for this purpose in his role as Chairman of MediaLab.

Marcel van den Assum

Marcel van den Assum is a professional director, independent advisor and angel investor. His roles include Chairman of Voco Ltd, Flick Electric Ltd and Simplhealth Ltd, Director of CropX Ltd and Yonix Ltd, Partner in Lush Design Gallery, and an Independent Advisory Board position with New Zealand Inland Revenue, GlobalDay1 Investment Committee and MerlotAero Ltd. He is a Board member of Angel HQ and Chairman of  the Angel Association of NZ, a founding investor in LightningLab accelerator, and a member of the NZ Institute of Directors. He was founding Chairman of GreenButton Ltd, a New Zealand startup acquired by Microsoft Corporation. 

Prior to his governance career, Marcel was the Chief Information Officer of Fonterra for 5 years and Managing Principal of Unisys New Zealand and held leadership roles in various global functions. He has worked across many industry sectors, government entities, and in most geographies.

Ann-Marie Cavanagh (ex-officio)

Ann-Marie Cavanagh is the Ministry of Health’s Chief Technology and Digital Services Officer.

Originally from the UK, Ann-Marie is a Clinical Pharmacologist by training. She has held a number of positions in the healthcare industry, ranging from small start-up agencies to leading global teams in implementing innovation in digital health.

Most recently she worked at Novartis Pharmaceuticals in Switzerland as the Head of Digital Strategy for its Global Medical Affairs team.

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